Fig. 1. Representative examples of skin temperature (Tskin;
filled circles and dotted line) and metabolic rate (MR; solid line) of captive
bats exposed to a diurnal fluctuation in ambient temperature
(Ta; dashed line) with heating commencing (shown by arrow)
at (A) 06:00 h, (B) 09:00 h or (C) 12:00 h. The photoperiod spanned from 06:00
h to 18:15 h.